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Casper E. G. M. M. van Vroonhoven

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  • Eindhoven, NL
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Patents Grantslast 30 patents

  • Information Patent Grant

    Stereo phono pick-up and/or cutter
    • Patent number 4,494,227
    • Issue date Jan 15, 1985
    • U.S. Philips Corporation
    • Casper E. G. M. M. van Vroonhoven
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE